The socket outlet must be:
a. Use sketch with notes explanation show how mini-trunking and
skirting trunking could used contain all the electrical supplies a
school’s computing classroom. only competent people may work ‘live’
d. The Electricity Work Regulations state that:
a. earth fault loop impedance
c. State the advantages conduit trunking and tray cable enclosure
system for commercial installation such shopping centre. IPX7 protection
d. protected additionally RCD
d. Identify from the list below the test which used verify that all fuses,
circuit breakers and switches are connected the line conductor:
a. one may work ‘live’
c. Every caravan pitch must have least one 16A socket outlet for
connection caravan. Compare PVC/SWA cables with cables and give their advantages,
disadvantages and typical applications. overcurrent protection
b. the industrial type
b. All final circuits bathroom, both power and lighting, must have:
a.
.
27.
22.
26. continuity test
b.365
U W
6 6
2 2
C1
L1 C1
2
C3
4
5
6
To phase supply
To phase motor
19. RCD protection
c.
25. everyone may work ‘live’
b. Use sketch with notes explanation show the earthing and
protective bonding arrangements the mains intake position a
230V system.
20.
23. protected from overcurrent
c. functional test
d. Use sketch with notes explanation show the earthing and
protective bonding arrangements the mains intake position a
230V cable sheath supply. only instructed and skilled people may work ‘live’.
21.
24. buried depth 600mm. polarity test. Zone protection
